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Journal of Palaeogeography
Fig. 11 | Journal of Palaeogeography

Fig. 11

From: Provenance of upper Permian-lowermost Triassic sandstones, Wutonggou low-order cycle, Bogda Mountains, NW China: implications on the unroofing history of the Eastern North Tianshan Suture

Fig. 11

Unroofing trends of source areas in Eastern North Tianshan Suture, as interpreted from petrofacies of Wutonggou low-order cycle sandstones in Bogda Mountains. The trend for the Zhaobishan section shows that the sources changed from the undissected volcanic arc, accretionary wedge and trench rocks to the transitional volcanic arc rocks. The trend for North Tarlong, South Tarlong, and Taodonggou sections shows that the sources shifted from undissected volcanic arc rocks to transitional volcanic arc, accretionary wedge and trench rocks. See Fig. 8 for the explanations of the tectonic fields

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